Bug 2073091 (CVE-2022-28388)

Summary:	CVE-2022-28388 kernel: a double free in usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	acaringi, adscvr, airlied, alciregi, bdettelb, bhu, bskeggs, chwhite, dhoward, dvlasenk, hdegoede, hkrzesin, hpa, jarod, jarodwilson, jburrell, jfaracco, jforbes, jglisse, jlelli, joe.lawrence, jonathan, josef, jshortt, jstancek, jwboyer, jwyatt, kcarcia, kernel-maint, kernel-mgr, lgoncalv, linville, lzampier, masami256, mchehab, nmurray, ptalbert, qzhao, rvrbovsk, scweaver, steved, swood, vkumar, walters, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A double-free flaw was found in the Linux kernel's USB2CAN interface implementation. This issue could allow a local user to crash the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	2156579, 2156580, 2156581, 2156582, 2073092
Bug Blocks:	2073093

Description Marian Rehak 2022-04-07 15:41:13 UTC

usb_8dev_start_xmit in drivers/net/can/usb/usb_8dev.c in the Linux kernel through 5.17.1 has a double free.

Reference:

https://github.com/torvalds/linux/commit/3d3925ff6433f98992685a9679613a2cc97f3ce2

Comment 1 Marian Rehak 2022-04-07 15:41:58 UTC

Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2073092]